FNUS75 KCYS 061450
FWSCYS

SPOT FORECAST FOR MARKING PEN RX...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
850 AM MDT FRI MAY 6 2011

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON MAY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
NW FLOW WILL OCCUR ALOFT TODAY AS WEAK UPPER RIDGE MOVES TOWARDS THE
AREA FROM THE WEST.  WINDY CONDITIONS WILL OCCUR TODAY WITH GUSTS UP
TO 35 MPH IN THE AFTERNOON.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........WEST WINDS 16 TO 21 MPH WITH GUSTS TO AROUND 35
                    MPH BY AFTERNOON.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 FT AGL INCREASING TO 8700 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 26 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (84800-233600 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (50-60 PERCENT).
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH
                    DECREASING TO 25 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5500 FT AGL DECREASING TO 2300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 23 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (42200-140700 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........WEST WINDS 16 TO 21 MPH WITH GUSTS TO AROUND 35
                    MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5900 FT AGL INCREASING TO 9500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 26 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (113000-240400 KNOT-FT).

$$
FORECASTER...DAUGHERTY
REQUESTED BY...KIRK STROM
TYPE OF REQUEST...PRESCRIBED
.TAG 20110506.MARKI.01/CYS